Diamond/Stone Fan Gauge

dynagem UK Four Arm Diamond Gauge.;21 hole - Carat sizes are: 0.01; 0.02; 0.05; 0.10; 0.20; 0.25; 0.50; 0.75; 1.0; 1.25; 1.5; 1.75; 2.0; 2.5; 3.0; 3.5; 4.0; 4.5; 5.0; 5.5; 6.0;Made from durable metal polished finished and with a plastic wallet;Compact only 90mm folded